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Analysis
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max time kernel
133s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11/11/2024, 21:43
Behavioral task
behavioral1
Sample
c927270cfeaba76dd08545d20b8c48b126c69f162409faae795acc19db4d4132.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c927270cfeaba76dd08545d20b8c48b126c69f162409faae795acc19db4d4132.xls
Resource
win10v2004-20241007-en
General
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Target
c927270cfeaba76dd08545d20b8c48b126c69f162409faae795acc19db4d4132.xls
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Size
96KB
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MD5
29e2bccd87a170c554356907f08061be
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SHA1
4d7f58d4c2edba78ce71eb6cf487cf9b9b6193ff
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SHA256
c927270cfeaba76dd08545d20b8c48b126c69f162409faae795acc19db4d4132
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SHA512
9d4976ada1881790fb90d2e2e72ccb261c634797d77217bdb8e65aacf3b80fcc6a6fcdec21b3c45ffa047935a99411ba0184e523a3afc4a3208b5642bdf44bd4
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SSDEEP
1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2HuS4hcTO97v7UYdEJmw:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg8
Malware Config
Extracted
https://atperson.com/campusvirtual/EOgFGo17w/
https://eliteturismo.com/phpmailer-old/dafdBxQONtk5Uf9dxll/
http://atici.net/c/JDFDBMIz/
http://domesticuif.co.za/libraries/nbnH9dpd/
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 828 588 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 684 588 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4520 588 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1696 588 regsvr32.exe 82 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 588 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 588 EXCEL.EXE 588 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE 588 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 588 wrote to memory of 828 588 EXCEL.EXE 91 PID 588 wrote to memory of 828 588 EXCEL.EXE 91 PID 588 wrote to memory of 684 588 EXCEL.EXE 95 PID 588 wrote to memory of 684 588 EXCEL.EXE 95 PID 588 wrote to memory of 4520 588 EXCEL.EXE 96 PID 588 wrote to memory of 4520 588 EXCEL.EXE 96 PID 588 wrote to memory of 1696 588 EXCEL.EXE 97 PID 588 wrote to memory of 1696 588 EXCEL.EXE 97
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c927270cfeaba76dd08545d20b8c48b126c69f162409faae795acc19db4d4132.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:588 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
PID:828
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
PID:684
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
PID:4520
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
PID:1696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD594b018e29d149d97a4cf098ddf2be68e
SHA121b3ae20cdc0ad498dab2ec650621c5709522951
SHA256c753cbeb785f00e0a55914bae80f6105c896250b3480955940112d0955019738
SHA51264fab49cce60401cf481e29e4d3b1c60c5e90620b873e2e2d89401aa810f2085366306e65ca656f5350063e288555a006a85b7d903e4835ed6f6e926a2e39973